CN220742828U - Built-in type vehicle lifting tail plate structure - Google Patents

Abstract

The utility model discloses a built-in type vehicle lifting tail plate structure which comprises a flat vertical power station, a power station bracket, a support, a plate-type parallelogram lifting structure, a folding bearing platform, a turning plate oil cylinder, a lifting oil cylinder, a travel switch device, a transition beam, a hydraulic pipeline, an electric control device and the like. The flat vertical power station comprises an oil tank, a low-voltage direct current motor, a gear pump, an integrated valve block, a control circuit board, a remote control receiver, a starting switch and a power supply main switch. In the implementation process of the utility model, a plate type parallelogram lifting structure is used, so that the size is smaller, the strength is higher, and the space occupied by a container is smaller. Adopt flat vertical power station, when satisfying the function, the oil tank is littleer, and is small, does not influence the goods and passes through. The travel switch device for controlling lifting is arranged, so that hidden danger brought by pure manual control is eliminated. The folding type bearing platform is folded by using the plate type hinge, the upper surface of the platform is flat, no bulge exists, and the goods trafficability is better.

Description

Built-in type vehicle lifting tail plate structure

Technical Field

The utility model belongs to the technical field of vehicle lifting tail plates, and particularly relates to a built-in vehicle lifting tail plate structure.

Background

The built-in type vehicle lifting tail plate is a hydraulic lifting loading and unloading device which is arranged in a cargo box of a truck or other cargo vehicle and uses a vehicle-mounted storage battery as power, and is provided with a group of supports, the mounting supports are fixed on a cargo box bottom plate, two groups of parallelogram lifting mechanisms are respectively arranged on the supports, and the lifting mechanisms are connected with a bearing platform.

The built-in type vehicle lifting tail plate commonly used in the market is commonly used for commercial cargo cupboards, miniature cargo vehicles and the like. The structure is mainly made of sectional materials, and has higher weight and large volume. At present, when the built-in type vehicle lifting tail plate is used, the following exists: the folding hinge of the bearing platform is higher than the upper surface of the platform, occupies the space of the platform and has poor goods passing property; when loading and unloading goods each time, the transition panel of the bearing platform needs to be folded manually, and the folding plate is thick and heavy, so that the operation is very inconvenient; the lifting mechanism is arranged at different positions when goods are loaded and unloaded by the built-in type vehicle lifting tail plate and the tail plate is stored, and the conventional tail plate electric control device cannot realize multi-point automatic control, so that a travel switch for automatic control is omitted by the built-in type vehicle lifting tail plate commonly used in the market, and the built-in type vehicle lifting tail plate is controlled by pure manual operation, so that potential safety hazards exist; the conventional hydraulic power station is large in size and occupies more limited space in the vehicle.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides a built-in type hoisting tail plate structure for a vehicle, which effectively solves the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a built-in type vehicle lifting tail plate structure comprises a flat vertical power station, a power station bracket, a support, a plate type parallelogram lifting structure, a folding bearing platform, a turning plate cylinder, a lifting cylinder, a travel switch device, a transition beam, a hydraulic pipeline, an electric control device and the like.

The flat vertical power station comprises an oil tank, a low-voltage direct current motor, a gear pump, an integrated valve block, a control circuit board, a remote control receiver, a starting switch, a power supply main switch and the like.

The oil tank is calculated according to the oil demand, so that the volume of the oil tank is not too small, the tail plate cannot work normally, the volume of the oil tank is not too large, space waste is caused, excessive hydraulic oil is filled, and oil waste is caused.

The power of the low-voltage direct current motor is smaller than that of a common tail plate in the market, and the power requirement is met, and meanwhile, energy waste is not caused.

The flow rate of the gear pump is also smaller than that of a common tail plate in the market, and the gear pump accords with the application scene of the tail plate.

The integrated valve block, the control circuit board, the remote control receiver, the starting switch, the power supply main switch and the like are the same as the types of common tails in the market, so that the manufacturing difficulty of the flat vertical power station is reduced.

The power station bracket comprises a bracket, an oil receiving disc and the like.

The support is arranged on the support and is formed by welding thin steel plates, the lower part of the support is welded with reinforcing ribs, the strength of the support is ensured, the weight of the support is light, compared with a built-in automobile-used hoisting tail plate commonly used in the market, the power station has no fixed installation position, or a vehicle body is damaged to be arranged on a container, the support is used for installing the flat vertical power station, the design principle of a product is more met, and the installation is more convenient. The oil receiving disc is formed by fully welding thin steel plates, welding seams are free of leakage, the oil receiving disc is provided with an oil drain port, and dirty oil can be treated by opening the oil drain port when oil quantity in the oil receiving disc needs to be treated.

The support is arranged on the bottom plate of the cargo box and used for supporting the plate-type parallelogram lifting structure, the lifting oil cylinder and the flat vertical power station.

The plate type parallelogram lifting structure comprises a supporting arm, an auxiliary arm and a connecting arm.

The support arm, the auxiliary arm and the connecting arm are made of steel plates and form a parallelogram four-bar mechanism together with the support, so that the folding bearing platform mounted on the connecting arm is ensured to be lifted and lowered horizontally.

The folding bearing platform comprises a main panel, a folding panel, a transition panel, a connecting seat, a plate type hinge, a damping hinge, a spring buckle and the like.

The main panel is made of high-strength steel plates, is light in weight and high in strength, and is provided with 4 connecting seats for connecting the connecting arms and the flap cylinder. The main panel is provided with a first hinge connecting hole for installing the plate-type hinge.

The folding panel comprises a folding working panel, a buffer block, a buckle plate and the like, the folding working panel is made of high-strength steel plates, the folding working panel is light in weight and high in strength, and a second hinge connecting hole is formed in the folding working panel and used for installing the plate-type hinge. The buffer block is made of rubber, so that the bolt is installed on the folding working panel, and after the folding working panel is folded, the buffer block is contacted with the transition panel and used for fixing the transition panel. The pinch plate is welded on the folding working panel, and holes are formed in the panel. When the folding type bearing platform is stored, the transition panel is folded firstly, the folding panel is folded secondly, the buckle plate penetrates through the square hole in the main panel, the spring buckle is sleeved in the buckle plate, the folding panel and the transition panel are locked, the flap cylinder is pressurized, when the folding type bearing platform rotates upwards and reaches a designated position, the flap cylinder stops pressurizing, and the safety pin is inserted, so that a storage process is completed. The safety pin is taken down, the flap cylinder is depressurized, the folding bearing platform downwards rotates to a horizontal position due to self gravity, the flap cylinder stops depressurizing, the spring buckle is taken down, the folding panel and the transition panel are unfolded, and a preparation process is completed.

The transition panel is made of high-strength steel plates, and reinforcing ribs are arranged at the lower part of the transition panel, so that the transition panel is light in weight, high in strength and labor-saving when folded, and the bearing capacity of the transition panel is guaranteed.

The plate hinge uses the round pin axle with the main panel with folding panel connects, the upper surface with the loading platform upper surface is unanimous, can not hinder the floor truck to pass through, and the clearance of tie point is less than 5mm, and the floor truck's walking wheel is passed through the plate hinge also can not have obvious sense of jolting. When folding, the loading platform lower extreme has the support spacing, folding panel can only upwards fold, can not fold down, guarantees when folding loading platform carries the goods, folding panel can not overturn downwards. After folding, the working face of the folding panel and the working face of the main panel have small gaps, and do not occupy more space.

The damping hinge is used for connecting the main panel and the transition panel, and a torsion spring is arranged in the damping hinge, so that the transition panel can keep an upward angle in a free state. When the lifting oil cylinder is pressurized and the folding bearing platform ascends to the rear lower edge of the container, the upward angle of the transition panel just avoids the protruding part of the rear lower edge of the container; when the bearing platform rises to the loading and unloading working surface, the carrying trolley runs from the main panel into the container, the transition panel is downwards turned to be horizontal under pressure and is put on the transition beam, and the carrying trolley runs into the container; the strip magnets are arranged in the transition beam, the transition panel is adsorbed onto the transition beam when contacting the transition beam, and the carrying trolley can normally drive out of the container without manually operating the transition panel; when the lifting oil cylinder is depressurized, the folding bearing platform descends due to self gravity, and when the descending gravity is greater than the suction force of the bar magnet, the transition panel is separated from the transition beam and returns to a free state, so that a loading and unloading flow is completed.

The travel switch device comprises a contact travel switch, a travel switch bracket and the like.

The travel switch support comprises a mounting plate, a supporting plate, a positioning bolt group, an adjusting bolt group and the like. The mounting plate is used for fixing the contact type travel switch, and the mounting plate is connected with the contact type travel switch by using a screw; the mounting plate is provided with two first positioning holes.

The support plate is provided with an arc waist hole and a second positioning hole, and two ends of the arc waist hole are respectively marked with a word of 'work' and 'storage'.

The positioning bolt group is locked by using a self-locking nut, and a micro gap is reserved between the positioning bolt group and the mounting plate and between the positioning bolt group and the support plate during assembly.

In the first positioning hole of the bolt of the adjusting bolt group, the head of the bolt is welded with the mounting plate, and the nut can be fastened or loosened manually by using the butterfly nut. After the preparation process is executed, loosening the butterfly nut, adjusting the travel switch device to a working mark position, tightening the butterfly nut, and starting loading and unloading cargoes; after goods are loaded and unloaded, the butterfly nut is loosened, the travel switch device is adjusted to the storage mark position, the butterfly nut is screwed down, and the storage process is carried out.

The transition beam comprises a cross beam, a bar magnet, a slope plate and the like.

The cross beam is made of sectional materials, gaps are formed in two ends of the cross beam, and the hydraulic pipeline is paved in the cross beam through the gaps.

The strip-shaped magnet is installed in the cross beam, and when the transition panel contacts the cross beam, the strip-shaped magnet can adsorb the transition panel on the cross beam, so that the carrying trolley can normally pass through.

The inclined plate and the cross beam are welded into a whole and are arranged on the bottom surface of the container, so that the obstruction of the cross beam to the carrying trolley is reduced, and the carrying trolley can pass smoothly.

Compared with the prior art, the utility model has the beneficial effects that:

1. the plate type parallelogram lifting structure is smaller in size, higher in strength and smaller in occupied container space.

2. Adopt flat vertical power station, when satisfying the function, the oil tank is littleer, and is small, does not influence the goods and passes through.

3. The travel switch device for controlling lifting is arranged, so that hidden danger brought by pure manual control is eliminated.

4. The folding type bearing platform is folded by using the plate type hinge, the upper surface of the platform is flat, no bulge exists, and the goods trafficability is better.

5. When goods are loaded and unloaded, the transition panel of the folding bearing platform is automatically adapted to the set lifting height, and can not collide and interfere with a container, so that the manual operation flow is omitted, and the folding bearing platform is more convenient and labor-saving.

6. The hydraulic pipeline is paved in the transition beam, the container is not required to be damaged to be paved from the bottom of the container, the hydraulic pipeline is not required to be paved in the container in a mess, the installation is more convenient, and the inside of the container is tidy.

7. The oil receiving disc is additionally arranged on the power station support, so that pollution caused by overflow of hydraulic oil into a container during oiling and oil changing operations is effectively avoided.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

fig. 1: the utility model discloses a side schematic diagram of a low-level working state of a built-in vehicle lifting tail plate structure.

Fig. 2: the utility model discloses an overall schematic diagram of a low-level working state of a built-in vehicle lifting tail plate structure.

Fig. 3: the utility model discloses a flat vertical power station schematic diagram of a built-in vehicle lifting tail plate structure.

Fig. 4: the utility model discloses a high-level side schematic diagram of a working state of a built-in vehicle lifting tail plate structure.

Fig. 5: the utility model discloses a high-level overall schematic diagram of a working state of a built-in vehicle lifting tail plate structure.

Fig. 6: the utility model discloses a working state schematic diagram of a transition panel of a built-in type vehicle lifting tail plate structure.

Fig. 7: the utility model discloses a folding state schematic diagram of a folding type bearing platform with a built-in vehicle lifting tail plate structure.

Fig. 8: the utility model discloses a partial enlarged structure schematic diagram of a folding state of a folding type bearing platform of a built-in type vehicle lifting tail plate structure.

Fig. 9: the utility model discloses a side schematic view of a storage state of a built-in vehicle lifting tail plate structure.

Fig. 10: the utility model discloses an overall schematic diagram of a storage state of a built-in vehicle lifting tail plate structure.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1, 2 and 3, the utility model provides a built-in vehicle lifting tail plate structure, comprising: the flat vertical power station 1, a power station bracket 2, a support 3, a plate type parallelogram lifting structure 4, a folding bearing platform 5, a flap cylinder 6, a lifting cylinder 7, a travel switch device 8, a transition beam 9, a hydraulic pipeline 10, an electric control device 101 and the like.

As shown in fig. 3, the flat vertical power station 1 includes an oil tank 11, a low-voltage dc motor 12, a gear pump 13, an integrated valve block 14, a control circuit board 15, a remote control receiver 16, a start switch 17, a power main switch 18, and the like.

The oil tank 11 is calculated according to the oil demand, so that the volume of the oil tank 11 is not too small, the tail plate cannot work normally, the volume of the oil tank 11 is not too large, space waste is caused, excessive hydraulic oil is filled, and oil waste is caused.

The power of the low-voltage direct current motor 12 is smaller than the power of a common tail plate in the market, and the power requirement is met, and meanwhile, energy waste is not caused.

The flow of the gear pump 13 is also selected to be smaller than the flow of a common tail plate in the market, and the application scene of the tail plate is met.

The integrated valve block 14, the control circuit board 15, the remote control receiver 16, the starting switch 17, the power supply main switch 18 and the like are selected to be the same as the types of common tails in the market, so that the manufacturing difficulty of the flat vertical power station 1 is reduced.

As shown in fig. 1 and 2, the power station bracket 2 includes a bracket 21, an oil pan 22, and the like.

As shown in fig. 1 and 2, the bracket 21 is mounted on the support 3, and is formed by welding a thin steel plate, and the lower part of the bracket is welded with a reinforcing rib, so that the strength of the bracket is ensured, and meanwhile, the bracket is light in weight, and compared with a built-in type vehicle hoisting tail plate commonly used in the market, the power station has no fixed mounting position or damages a vehicle body to be mounted on a container, and the bracket 21 is used for mounting the flat vertical power station 1, so that the flat vertical power station is more in accordance with the design principle of a product and is more convenient to mount.

As shown in fig. 1 and 2, the oil receiving pan 22 is fully welded by using a thin steel plate, no welding seam is leaked, the oil receiving pan 22 is provided with an oil drain port 221, and when the oil quantity in the oil receiving pan 22 needs to be treated, dirty oil can be treated by opening the oil drain port 221.

As shown in fig. 1 and 2, the support 3 is mounted on a cargo box bottom board and is used for supporting the plate-type parallelogram lifting structure 4, the lifting oil cylinder 7 and the flat vertical power station 1.

As shown in fig. 1 and 2, the slab-type parallelogram lifting structure 4 comprises a supporting arm 41, an auxiliary arm 42 and a connecting arm 43.

As shown in fig. 1 and 2, the supporting arm 41, the auxiliary arm 42 and the connecting arm 43 are made of steel plates, and form a parallelogram four-bar mechanism together with the support 3, so as to ensure that the folding bearing platform 5 mounted on the connecting arm 43 is kept horizontally lifted and lowered.

As shown in fig. 1, 2, 3, 7, and 8, the folding type carrying platform 5 includes a main panel 51, a folding panel 52, a transition panel 53, a connection base 54, a plate hinge 55, a damping hinge 56, a latch 57, and the like.

As shown in fig. 1 and 2, the main panel 51 is made of a high-strength steel plate, and has a light weight and high strength, and is provided with 4 connection seats 54 for connecting the connection arm 43 and the flap cylinder 6. The main panel 51 is provided with a hinge connection hole for mounting the plate hinge 55.

As shown in fig. 3, 7, 8, 9, and 10, the folding panel 52 includes a folding work panel 521, a buffer 522, a buckle 523, and the like. The folding work panel 521 is made of high-strength steel plate, has light weight and high strength, and the folding work panel 521 is provided with a hinge connection hole for installing the plate hinge 55. The buffer block 522 is made of rubber, and is mounted on the folding working panel 521 by bolts, and after the folding panel 52 is folded, the buffer block 521 is in contact with the transition panel 53, so as to fix the transition panel 53. The pinch plate 523 is welded to the folding work panel 521, and holes are formed in the panel. When the folding type carrying platform 5 is stored, the transition panel 53 is folded firstly, the folding panel 52 is folded secondly, the buckle plate 523 penetrates through the square hole on the main panel 51, the spring buckle 57 is sleeved in the buckle plate 523, the folding panel 52 and the transition panel 53 are locked, the flap cylinder 6 is pressurized, the folding type carrying platform 5 rotates upwards, when the folding type carrying platform 5 reaches a designated position, the flap cylinder 6 stops pressurizing, and the safety pin 102 is inserted, so that a storage process is completed. The safety pin 102 is taken down, the flap cylinder 6 is depressurized, the folding bearing platform 5 rotates downwards to a horizontal position due to self gravity, the flap cylinder 6 stops depressurizing, the spring buckle 57 is taken down, the folding panel 52 and the transition panel 53 are opened, and a preparation process is completed.

As shown in fig. 4 and 5, the transition panel 53 is made of a high-strength steel plate, and the lower part is provided with a reinforcing rib, so that the bearing capacity of the transition panel is ensured, and meanwhile, the transition panel is light in weight, high in strength and labor-saving in folding.

As shown in fig. 1 and 5, the plate hinge 55 connects the main panel 51 and the folding panel 52 by using a pin, the upper surface is consistent with the upper surface of the carrying platform 5, the passing of the carrying trolley is not hindered, the gap between the connection points is less than 5mm, and the travelling wheel of the carrying trolley does not have obvious bumpy feel when passing through the plate hinge 55. When folding, there is the support spacing in folding loading platform 5 lower extreme, folding panel 52 can only upwards fold, can not fold down, when guaranteeing folding loading platform 5 carries cargo, folding panel 52 can not overturn downwards. After folding, the working surface of the folding panel 52 and the working surface of the main panel 51 have small gap, and do not occupy more space.

As shown in fig. 1, 2, 4, 5, 6, 7 and 8, the damping hinge 56 is used to connect the main panel 51 and the transition panel 53, and a torsion spring is installed in the damping hinge 56, so that the transition panel 53 maintains an upward angle in a free state. When the lifting oil cylinder 7 is pressurized and the bearing platform 5 is lifted to the rear lower edge of the container, the upward angle of the transition panel just avoids the protruding part of the rear lower edge of the container; when the folding type carrying platform 5 is lifted to the loading and unloading working surface, the carrying trolley runs from the main panel 51 into the container, the transition panel 53 is downwards turned to be horizontal under pressure, is put on the transition beam 9, and runs into the container; the bar magnets 92 are arranged in the transition beam 9, when the transition panel 53 contacts the transition beam 9, the bar magnets are adsorbed on the transition beam 9, and the carrier can normally drive out of the container without manually operating the transition panel 53; when the lifting cylinder 7 is depressurized, the folding bearing platform 5 descends due to self gravity, and when the descending gravity is greater than the suction force of the bar magnet 92, the transition panel 53 is separated from the transition beam 9 and returns to a free state, so that a loading and unloading process is completed.

As shown in fig. 1, 2, 7, 8, the travel switch device 8 includes a contact travel switch 81, a travel switch bracket 82, and the like.

As shown in fig. 7 and 8, the travel switch bracket 82 includes a mounting plate 821, a support plate 822, a positioning bolt group 823, an adjusting bolt group 824, and the like. The mounting plate 821 is used for fixing the contact type travel switch 81, and the mounting plate 821 is connected with the contact type travel switch 81 by using screws; the mounting plate 821 is provided with two first positioning holes.

As shown in fig. 7 and 8, the support plate 822 is provided with an arc waist hole and a second positioning hole, and two ends of the arc waist hole are respectively marked with a word of "work" and "storage".

As shown in fig. 4, 5, 7 and 8, the positioning bolt group 823 is locked by a self-locking nut 8231, and when assembled, a slight gap is left between the positioning bolt group 823 and the mounting plate 821 and between the positioning bolt group 823 and the support plate 822.

As shown in fig. 7 and 8, the bolts of the adjusting bolt assembly 824 penetrate into the holes of the mounting plate 821, the head of the bolts are welded to the mounting plate 821, and nuts can be manually fastened or unfastened by using wing nuts 8241. After the preparation process is executed, the butterfly nut 8241 is loosened, the travel switch device 8 is adjusted to the position of the working mark, the butterfly nut 8241 is screwed, and goods loading and unloading are started; after loading and unloading the goods, the wing nut 8241 is loosened, the travel switch device 8 is adjusted to the position of storing the goods, the wing nut 8241 is screwed, and the storing process is performed.

As shown in fig. 6, the transition beam 9 includes a cross beam 91, a bar magnet 92, a ramp plate 93, and the like.

As shown in fig. 6, the cross beam 91 is made of a profile, two ends of the cross beam are provided with notches, and the hydraulic pipeline 10 is laid in the cross beam 91 through the notches.

As shown in fig. 6, the bar magnet 92 is installed in the cross beam 91, and when the transition panel 53 contacts the cross beam 91, the bar magnet 92 will attract the transition panel 53 to the cross beam 91, so that the transportation cart can pass through normally.

As shown in fig. 6, the slope plate 93 is welded to the cross beam 91 as a whole, and is mounted on the bottom surface of the container, so that the obstruction of the cross beam 91 to the trolley is reduced, and the trolley can pass smoothly.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a built-in automobile-used lifting tail plate structure which characterized in that includes flat vertical power station, power station support, board-like parallelogram lifting structure, folding loading platform, turning over the board hydro-cylinder, lift hydro-cylinder, travel switch device, transition beam, hydraulic pressure pipeline, electrically controlled device.

2. The built-in type vehicle lifting tail plate structure according to claim 1, wherein: the flat vertical power station comprises an oil tank, a low-voltage direct current motor, a gear pump, an integrated valve block, a control circuit board, a remote control receiver, a starting switch and a power supply main switch.

3. The built-in type vehicle lifting tail plate structure according to claim 1, wherein: the power station bracket comprises a bracket and an oil receiving disc,

the bracket is arranged on the support and is formed by welding thin steel plates, the lower part of the bracket is welded with reinforcing ribs, the oil receiving disc is formed by fully welding thin steel plates and is provided with an oil drain port,

the support is arranged on the bottom plate of the cargo box and is used for supporting the plate-type parallelogram lifting structure, the lifting oil cylinder and the flat vertical power station,

the plate type parallelogram lifting structure comprises a supporting arm, an auxiliary arm and a connecting arm,

the supporting arm, the auxiliary arm and the connecting arm are all made of steel plates and form a parallelogram four-bar mechanism together with the support.

4. A built-in vehicle lifting tail plate structure according to claim 3, wherein: the folding bearing platform comprises a main panel, a folding panel, a transition panel, a connecting seat, a plate type hinge, a damping hinge and a spring buckle,

wherein the main panel is made of steel plates, 4 connecting seats are arranged on the main panel and are used for connecting the connecting arms and the flap cylinder, a first hinge connecting hole is arranged on the main panel and is used for installing the plate type hinge,

wherein the folding panel comprises a folding working panel, a buffer block and a buckle plate, the folding working panel is made of steel plates, the folding working panel is provided with a second hinge connecting hole for installing the plate-type hinge, the buffer block is made of rubber materials, so that bolts are installed on the folding working panel, after the folding panel is folded, the buffer block is contacted with the transition panel for fixing the transition panel, the buckle plate is welded on the folding working panel, the buckle plate is provided with a hole,

wherein the transition panel is made of steel plates, the lower part of the transition panel is provided with reinforcing ribs,

the plate hinge connects the main panel and the folding panel by using a pin shaft, the upper surface is consistent with the upper surface of the bearing platform,

the damping hinge is used for connecting the main panel and the transition panel, and a torsion spring is arranged in the damping hinge.

5. The built-in type vehicle lifting tail plate structure according to claim 4, wherein: the travel switch device comprises a contact travel switch and a travel switch bracket,

the travel switch bracket comprises a mounting plate, a supporting plate, a positioning bolt group and an adjusting bolt group, wherein the mounting plate is used for fixing the contact travel switch, and the mounting plate is connected with the contact travel switch by using a screw; the mounting plate is provided with two first positioning holes,

wherein the supporting plate is provided with an arc waist hole and a second positioning hole,

in the first positioning hole of the bolt of the adjusting bolt group, the head of the bolt is welded with the mounting plate, and the nut uses a butterfly nut.

6. The built-in type vehicle lifting tail plate structure according to claim 5, wherein: the transition beam comprises a cross beam, a bar magnet and a slope plate,

wherein the cross beam is made of sectional materials, two ends of the cross beam are provided with notches, the hydraulic pipeline is paved in the cross beam through the notches,

wherein the strip-shaped magnet is arranged in the cross beam, when the transition panel contacts the cross beam, the strip-shaped magnet can adsorb the transition panel on the cross beam so that the carrying trolley can pass through,

wherein the slope board and the cross beam are welded into a whole and are arranged on the bottom surface of the container.